bump version to 0.3.4

Merge pull request #12 from felciano/patch-1

Remove stray print statement

bump version

Merge pull request #11 from versionbayjc/master

removing parenthesis, not needed

Instead of requiring kernelspec.language to be equal to 'python', we now just check if 'python' is in the string, this will then work for python and python3 language specs.

Bump version

Create pythonpublish.yml

Use setuptools in setup.py

Merge pull request #9 from krassowski/patch-1

Use the notebook format version (not nbformat package version) fixes #8

Merge pull request #7 from grst/add-license

Update setup.py

Create LICENSE